A tiny chapel clings to a precipice above Germany’s gemstone capital.

This Rococo church is known as the most beautiful village church in the world, and does not disappoint.

A fearsome dragon clings to a corner of Munich's city hall.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A striking 12th-century-style castle built on the edge of a cliff.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

An abandoned faux-pub made famous by a Guinness commercial.

The ruins of a medieval monastery named after a type of tree.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

Petrified footprints of one of the very first vertebrates to walk on land.

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

This single room has survived the centuries with almost no deterioration.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

This bridge was constructed from the rubble of the infamous Bastille.